Home / 18,129,894.48-27,191,889.23-7,346,759.76

Finding the Fourth Proportional to 18,129,894.48, 27,191,889.23 and 7,346,759.76

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Solution

The fourth proportional to 18,129,894.48, 27,191,889.23 and 7,346,759.76 is: 11,018,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129,894.48 : 27,191,889.23 = 7,346,759.76 : x
  2. Step 2: Convert to fraction form
    18,129,894.48/27,191,889.23 = 7,346,759.76/x
  3. Step 3: Cross multiply
    18,129,894.48x = 27,191,889.23 × 7,346,759.76
  4. Step 4: Simplify right side
    18,129,894.48x = 199,772,277,556,607.59
  5. Step 5: Solve for x
    x = 199,772,277,556,607.59/18,129,894.48
  6. Step 6: Final answer
    x = 11,018,943.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.